iceberg

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iceberg,

mass of ice that has become detached, or calved, from the edge of an ice sheet or glacier and is floating on the ocean. Because ice is slightly less dense than water about one ninth of the total mass of a berg projects above the water. Greenland and other N Atlantic icebergs are usually peaked and irregular in shape; Antarctic icebergs are tabular, with flat tops and steep sides, and are sometimes extremely large when calved from an ice shelf. Icebergs differ from other ocean ices: sea ice is formed directly from the freezing of ocean water; pack ice is tightly packed fragments of sea ice; ice floes are small, floating ice fragments that separate from pack ice; and fast ice is ice attached to a shore.

Greenland is the source of most of the icebergs in the N Atlantic, where the iceberg season lasts roughly from February to October. As a consequence of the loss of the Titanic through collision with an iceberg in 1912, a patrol of N Atlantic shipping channels was initiated in 1914 by the international agreement of 16 nations. Patrols use planes and surface vessels equipped with radar, loran, and underwater sound equipment. A constant census of bergs is maintained, and the location of an iceberg is reported to any ship in its vicinity.

iceberg

[′īs‚bərg]
(oceanography)
A large mass of glacial ice broken off and drifted from parent glaciers or ice shelves along polar seas; it is distinguished from polar pack ice, which is sea ice, and from frozen seawater, whose rafted or hummocked fragments may resemble small icebergs.

iceberg

a large mass of ice floating in the sea, esp a mass that has broken off a polar glacier
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Means of square Leaves Harvesting Root Fresh Root Dry fresh date variety weight (g) weight (g) weight (g) 19 February Ice berg 16 f 2.
The launch party will be on Bank Holiday Sunday, August 24, and the night promises to bring the latest hip hop and R'n'B beats as well as two live performances from up-and-coming British talent, Pa Bon Garcon and Ice Berg Slim.
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Others include a first-class breakfast menu card, expected to fetch pounds 12,000, and a score of the music played as the ship went down after hitting an ice berg.
Blues and greens will appear as Ice Berg Blue, a cool, light blue in matte or metallic interpretations; Da Blues, a blue with a hint of purple and a touch of gray; and two blue-greens called Green Bayou and Mint Cicle.
An estimated number of 150,000 dog bites occurs in our country while 5000 to 7000 cases of rabies are registered every year, said the doctors referring to the fact that these may just be the tip of ice berg as vast majority of cases and associated deaths are never reported.
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On the other hand at least five people were buried under the snow when ice berg hit their house in Gram Chasmma of Chitral while the three bodies were retrieved from the snow.
The unfortunate truth is that the companies undergoing voluntary audits with the PWC are possibly just the tip of the ice berg.
Thierry Henry salutes his goal which put Arsenal 3-2 up - but it still wasn't enough; GILLESPIE celebrates his strike; ICE BERG .